Installation CD/DVD MackBook Pro

That's correct. All machines that shipped with Lion have a recovery partition which provides the tools necessary to restore your system. No DVDs are provided.

Yes. New Macs supplied with Lion OS did not get DVDs since everything is done by download now. Utilities are part of a separate volume on your computer.

Lion - Disk Utility - https://discussions.apple.com/thread/3548399?answerId=16925522022#16925522022 - repairing your drive using Disk Utility on Lion's recovery partition.

OS X Lion: About Lion Recovery Disk Assistant - http://support.apple.com/kb/HT4848# - Create recovery disk on another drive for when Lion's Recovery Partition does not work.

OSX: About Lion Recovery - http://support.apple.com/kb/HT4718 > Lion Internet Recovery - using the Internet to start when recovery disk partition not available.

Yes, if it came with Lion pre-installed then no discs are included.

OS X Lion- About Lion Recovery

OS X Lion: About Lion Recovery Disk Assistant